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Old 08-10-2016   #10
Roadrunner
87 GTA 305 Auto
 
Join Date: Feb 2010
Location: Cincinnati Ohio
Posts: 142


Re: HELP! Stalling as soon as the engine gets warm.

Unless modified, it has to get pretty hot to turn fans on. Factory setting for fan turn on is like 222F or high AC pressure.
Idle air control system is a common problem - could need cleaning or adjustment.
Could also be a problem that appears when going into closed loop ( >155F ?) - such as a bad MAF.

To rule out IAC, try holding throttle to keep it above 1800 rpm before the time where it normally stalls.
If you are able to keep it running with throttle, you most likely have IAC problem.
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